Adding more misc props and attributes

Mostly these are touchscreen or translation specific items.
Adding a few more common IE specific props/attrs

* zoom is very common for self clearing
* interpolation-mode is very important for image resizing
* filter is a common api for various gradients and opacity, etc
Adding touch-callout

An iOS specific, but commonly used attribute
Higher specificity for IUProps and UIAttr
Merge pull request #26 from amadeus/more-props-and-attr

Adding more misc props and attributes